Know all about Essexite and Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Essexite and Porphyry belong to Igneous Rocks.Texture of Essexite is Granular whereas that of Porphyry is Porphyritic. Essexite appears Banded and Porphyry appears Dull. The luster of Essexite is not available while that of Porphyry is dull. Essexite is available in dark grey to black colors whereas Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors. The commercial uses of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones and that of Porphyry are creating artwork, gemstone, jewelry.